// Copyright 2017 Xiaomi, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package checks

import (
	"github.com/didi/nightingale/src/models"
)

var (
	Checks              = make(map[string]*models.CheckCollect)
	ChecksWithScheduler = make(map[string]*CheckScheduler)
)

func DelNoUseCheckCollect(newChecks map[string]*models.CheckCollect) {
	for currKey, currCheck := range Checks {
		newCheck, ok := newChecks[currKey]
		if !ok || currCheck.LastUpdated != newCheck.LastUpdated {
			deleteCheck(currKey)
		}
	}
}

func AddNewCheckCollect(newChecks map[string]*models.CheckCollect) {
	for key, newCheck := range newChecks {
		if _, ok := Checks[key]; ok && newCheck.LastUpdated == Checks[key].LastUpdated {
			continue
		}
		Checks[key] = newCheck
		sch := NewCheckScheduler(newCheck)
		ChecksWithScheduler[key] = sch
		sch.Schedule()
	}
}

func deleteCheck(key string) {
	v, ok := ChecksWithScheduler[key]
	if ok {
		v.Stop()
		delete(ChecksWithScheduler, key)
	}
	delete(Checks, key)
}
